Brightness Quality: 1700, Lumens. Energy Info: $3.13, Based on 3 hrs/day, 11 cents/kWh. Cost depends on rates and use, 26, Watts, Has Energy Star Logo, Is Energy Smart, 120, Volts. Package Info: 1. Bulb Info: CFL, Is Dimmable. Bulb Life: 9.1, Years, Based on 3 hours use per day. Bulb Appearance: 2700, Kelvins. Misc: 1 general purpose CFL bulb. A smart way to save energy. 100W replacement. $81 energy savings per bulb (Electricity cost savings based on using the bulb for 10,000 hr rated life at 11 cents per kilowatt hour compared to thirteen 100 watt Soft White incandescent bulbs (rated life 750 hrs)). Limited Warranty: Guaranteed to last 5 years based on rated life at 3 hours consumer use per day at 120V. Visit us on the internet: www.GELighting.com. UL listed. Made in China.